We're going to solve 1120 multiplied by 3109
1120 × 3109 = 3109 × (1120)
+ 3109 × 0 giving us 0
+ 3109 × 20 yielding 62180
+ 3109 × 100 that results in 310900
+ 3109 × 1000 that is equal 3109000

= 3482080
